{"product_id":"rotor-clip-dsh-18st-pd-external-retaining-ring-18mm","title":"Rotor Clip DSH-18ST Pd External Retaining Ring 18mm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ROTOR CLIP DSH-18ST PD is a metric external retaining ring designed for installation on 18 mm diameter shafts. Manufactured from spring steel with a phosphate finish, this ring seats into a groove machined to 17 mm diameter and provides reliable axial retention of components on shafts in assemblies where removal may be required. At 1.20 mm ring thickness and a free outside diameter of 16.50 mm, it delivers consistent snap engagement across light industrial and mechanical assemblies. Licensed trades and MRO technicians working on metric shaft assemblies install this ring using standard external snap-ring pliers.\u003c\/p\u003e\u003cp\u003eThis retaining ring is suited for use in metric mechanical assemblies across industrial, HVAC, pump, and motor applications where an external groove retainer is required on an 18 mm shaft. The phosphate finish provides moderate corrosion resistance for indoor and light-duty environments. Conformance to DIN 471 and ISO 13485:2015 standards makes it appropriate for applications with documented quality requirements. Minimum order quantity is 50 pieces; each package contains 1 ring.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFits 18 mm nominal shaft diameter with 17 mm groove diameter\u003c\/li\u003e\n\u003cli\u003eSpring steel construction for reliable snap retention and repeated installation\u003c\/li\u003e\n\u003cli\u003ePhosphate finish for moderate corrosion resistance\u003c\/li\u003e\n\u003cli\u003eMeets DIN 471 and ISO 13485:2015 standards\u003c\/li\u003e\n\u003cli\u003e1.20 mm ring thickness with a groove width of 1.30 mm\u003c\/li\u003e\n\u003cli\u003eGroove depth of 0.50 mm for positive axial retention\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a DIN 471-compliant external retaining ring for 18 mm metric shafts with a machined groove diameter of 17 mm and groove width of 1.30 mm.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstall and remove using external snap-ring pliers sized for metric rings to avoid distorting the ring or damaging the groove. Verify shaft groove dimensions match the specified 17 mm groove diameter, 1.30 mm groove width, and 0.50 mm groove depth before installation. De-energize and lock out all rotating equipment before servicing any shaft assembly. Do not reuse a ring that has been over-expanded or visibly deformed during removal.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Shaft Diameter\u003c\/strong\u003e: 18 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Diameter\u003c\/strong\u003e: 17 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Diameter Tolerance\u003c\/strong\u003e: -0.11 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Diameter\u003c\/strong\u003e: 16.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Outside Diameter\u003c\/strong\u003e: 16.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 16.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Width\u003c\/strong\u003e: 1.30 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Depth\u003c\/strong\u003e: 0.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Thickness\u003c\/strong\u003e: 1.20 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Thickness Tolerance\u003c\/strong\u003e: -0.06 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Spring Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Phosphate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: DIN 471, ISO 13485:2015\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Metric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ROTOR CLIP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: DSH-18ST PD\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ROTOR CLIP","offers":[{"title":"Default Title","offer_id":51712727023922,"sku":"DSH-18ST PD","price":35.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7cec8d489f7b4659543590b5b3af3a7d.jpg?v=1788488241","url":"https:\/\/voomisupply.com\/products\/rotor-clip-dsh-18st-pd-external-retaining-ring-18mm","provider":"Voomi Supply","version":"1.0","type":"link"}